Sixteen-year-old cancer patient Maga Barzallo Sockemtickem has been in the hospital for nearly a month after undergoing bone marrow transplant, and missed her cat terribly.

So the staff at Seattle's Children Hospital's oncology unit asked its Facebook fans to send pictures of cats ... and received some 3,000 photos in response. The hospital staff created a slideshow - complete with purring sound - for Maga.